From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f199.google.com (mail-qt0-f199.google.com [209.85.216.199]) by kanga.kvack.org (Postfix) with ESMTP id 97BD46B0008 for ; Mon, 19 Mar 2018 22:00:43 -0400 (EDT) Received: by mail-qt0-f199.google.com with SMTP id y9so58291qti.3 for ; Mon, 19 Mar 2018 19:00:43 -0700 (PDT) Received: from mx1.redhat.com (mx3-rdu2.redhat.com. [66.187.233.73]) by mx.google.com with ESMTPS id v17si739427qtv.276.2018.03.19.19.00.42 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Mar 2018 19:00:42 -0700 (PDT) From: jglisse@redhat.com Subject: [PATCH 02/15] mm/hmm: fix header file if/else/endif maze v2 Date: Mon, 19 Mar 2018 22:00:24 -0400 Message-Id: <20180320020038.3360-3-jglisse@redhat.com> In-Reply-To: <20180320020038.3360-1-jglisse@redhat.com> References: <20180320020038.3360-1-jglisse@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: Andrew Morton , linux-kernel@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , stable@vger.kernel.org, Ralph Campbell , John Hubbard , Evgeny Baskakov From: JA(C)rA'me Glisse The #if/#else/#endif for IS_ENABLED(CONFIG_HMM) were wrong. Because of this after multiple include there was multiple definition of both hmm_mm_init() and hmm_mm_destroy() leading to build failure if HMM was enabled (CONFIG_HMM set). Changed since v1: - Fix the maze when CONFIG_HMM is disabled not just when it is disabled. This fix bot build failure. - Improved commit message. Signed-off-by: JA(C)rA'me Glisse Acked-by: Balbir Singh Cc: stable@vger.kernel.org Cc: Andrew Morton Cc: Ralph Campbell Cc: John Hubbard Cc: Evgeny Baskakov --- include/linux/hmm.h | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/include/linux/hmm.h b/include/linux/hmm.h index 325017ad9311..36dd21fe5caf 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -498,23 +498,16 @@ struct hmm_device { struct hmm_device *hmm_device_new(void *drvdata); void hmm_device_put(struct hmm_device *hmm_device); #endif /* CONFIG_DEVICE_PRIVATE || CONFIG_DEVICE_PUBLIC */ -#endif /* IS_ENABLED(CONFIG_HMM) */ /* Below are for HMM internal use only! Not to be used by device driver! */ -#if IS_ENABLED(CONFIG_HMM_MIRROR) void hmm_mm_destroy(struct mm_struct *mm); static inline void hmm_mm_init(struct mm_struct *mm) { mm->hmm = NULL; } -#else /* IS_ENABLED(CONFIG_HMM_MIRROR) */ -static inline void hmm_mm_destroy(struct mm_struct *mm) {} -static inline void hmm_mm_init(struct mm_struct *mm) {} -#endif /* IS_ENABLED(CONFIG_HMM_MIRROR) */ - - #else /* IS_ENABLED(CONFIG_HMM) */ static inline void hmm_mm_destroy(struct mm_struct *mm) {} static inline void hmm_mm_init(struct mm_struct *mm) {} +#endif /* IS_ENABLED(CONFIG_HMM) */ #endif /* LINUX_HMM_H */ -- 2.14.3